package com.xxzuibang.day2;

public class Demo1 {
    public static void main(String[] args) {
        byte b1=10;
        byte b2=20;
        System.out.println("byte类型b1和b2的和为：");
        System.out.println(b1+b2);
        short s1=10;
        short s2=20;
        System.out.println("short类型s1和s2的和为：");
        System.out.println(s1+s2);
        char c1='a';
        int i1=30;
        System.out.println("char类型c1和int类型i1的差为：");
        System.out.println(c1-i1);

    }

}
